Paper shredder



FIG. 1 is a perspective view of a paper shredder showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in the figure drawings are included for the purpose of illustrating structural environment and form no part of the claimed design. 

The ornamental design for a paper shredder, as shown and described. 